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France. Growing season April–October, harvest usually September–October. 26 vintages of weather, 2000–2025.
Photo: MaT-WiKi1, CC BY-SA 4.0, via Wikimedia Commons
Over the 30 growing seasons from 1991 to 2020, Bordeaux's vines saw on average 1,560 growing degree days between April and October. That puts it in Winkler region II, close in heat and rain to Yarra Valley, Douro Valley and Hawke's Bay. In a typical year about 460 mm of rain falls in the growing season, 168 mm of it in September–October.
Since 2000 the warmest season was 2022 (+29% against normal) and the coolest 2008 (-13%). The wettest harvest window was 2024, with 322 mm against a normal 168 mm.
The last 10 vintages (2016–2025) averaged +8% against the 1991–2020 normal, compared with +1% for 2000–2009; 7 of those 10 seasons were warmer than normal by more than 3%.
Growing degree days (base 10°C) for each season. The dashed line is the 1991–2020 normal (1,560 GDD) and the shaded band one standard deviation either side: about two years in three fall inside it.
Full bar: rain over the whole growing season. Dark part: rain in the harvest window (September–October). The line is the normal season total, 460 mm.
Apr–Oct 2025
Much warmer
Hot months: Jun +3.9° Aug +2.4°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 8 of 26 for heat · Winkler III
Apr–Oct 2024
Cooler
No month ran 2°C above its normal high
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 21 of 26 for heat · Winkler II
Apr–Oct 2023
Much warmer
Hot months: Jun +2.7° Sep +4.4° Oct +3.7°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 2 of 26 for heat · Winkler III
Apr–Oct 2022
Much warmer
Hot months: May +3.9° Jul +3.7° Aug +3.9° Oct +4.3°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 1 of 26 for heat · Winkler IV
Apr–Oct 2021
Cooler
No month ran 2°C above its normal high
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 24 of 26 for heat · Winkler II
Apr–Oct 2020
Much warmer
Hot months: Apr +2.9° May +2.1°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 9 of 26 for heat · Winkler III
Apr–Oct 2019
Warmer
Hot months: Jul +2.9°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 11 of 26 for heat · Winkler III
Apr–Oct 2018
Much warmer
Hot months: Jul +2.0° Sep +2.9°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 4 of 26 for heat · Winkler III
Apr–Oct 2017
Warmer
Hot months: May +2.1° Jun +2.5° Oct +2.1°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 10 of 26 for heat · Winkler III
Apr–Oct 2016
Cooler
Hot months: Sep +2.4°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 19 of 26 for heat · Winkler II
Apr–Oct 2015
Near normal
No month ran 2°C above its normal high
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 15 of 26 for heat · Winkler II
Apr–Oct 2014
Warmer
Hot months: Sep +2.6° Oct +3.3°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 12 of 26 for heat · Winkler II
Apr–Oct 2013
Cooler
Hot months: Jul +3.2°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 23 of 26 for heat · Winkler II
Apr–Oct 2012
Cooler
No month ran 2°C above its normal high
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 18 of 26 for heat · Winkler II
Apr–Oct 2011
Much warmer
Hot months: Apr +5.1° May +3.7°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 6 of 26 for heat · Winkler III
Apr–Oct 2010
Cooler
No month ran 2°C above its normal high
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 22 of 26 for heat · Winkler II
Apr–Oct 2009
Warmer
No month ran 2°C above its normal high
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 13 of 26 for heat · Winkler II
Apr–Oct 2008
Much cooler
No month ran 2°C above its normal high
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 26 of 26 for heat · Winkler I
Apr–Oct 2007
Cooler
Hot months: Apr +3.8°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 20 of 26 for heat · Winkler II
Apr–Oct 2006
Much warmer
Hot months: Jun +2.0° Jul +3.6° Sep +2.2° Oct +2.4°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 5 of 26 for heat · Winkler III
Apr–Oct 2005
Much warmer
Hot months: Jun +3.0° Oct +2.5°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 7 of 26 for heat · Winkler III
Apr–Oct 2004
Near normal
Hot months: Jun +2.1°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 14 of 26 for heat · Winkler II
Apr–Oct 2003
Much warmer
Hot months: Apr +2.1° Jun +3.5° Aug +4.7°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 3 of 26 for heat · Winkler III
Apr–Oct 2002
Much cooler
No month ran 2°C above its normal high
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 25 of 26 for heat · Winkler II
Apr–Oct 2001
Near normal
Hot months: Oct +3.0°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 16 of 26 for heat · Winkler II
Apr–Oct 2000
Near normal
No month ran 2°C above its normal high
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 17 of 26 for heat · Winkler II
| Vintage | GDD | vs normal | Season rain | Harvest rain | Hottest month (mean high) |
|---|---|---|---|---|---|
| 2025 | 1,700 | +9% | 405 mm | 193 mm | August 29.0°C |
| 2024 | 1,490 | -5% | 675 mm | 322 mm | August 27.1°C |
| 2023 | 1,930 | +24% | 551 mm | 305 mm | September 28.0°C |
| 2022 | 2,010 | +29% | 409 mm | 151 mm | August 30.5°C |
| 2021 | 1,460 | -6% | 442 mm | 120 mm | September 25.0°C |
| 2020 | 1,690 | +8% | 706 mm | 278 mm | August 27.4°C |
| 2019 | 1,670 | +7% | 434 mm | 180 mm | July 29.0°C |
| 2018 | 1,780 | +14% | 430 mm | 95 mm | August 28.5°C |
| 2017 | 1,680 | +8% | 347 mm | 105 mm | August 27.1°C |
| 2016 | 1,510 | -3% | 355 mm | 99 mm | August 28.2°C |
| 2015 | 1,560 | -0% | 428 mm | 156 mm | July 27.3°C |
| 2014 | 1,630 | +4% | 390 mm | 75 mm | September 26.2°C |
| 2013 | 1,480 | -5% | 515 mm | 201 mm | July 29.3°C |
| 2012 | 1,510 | -3% | 561 mm | 198 mm | August 27.8°C |
| 2011 | 1,760 | +13% | 286 mm | 87 mm | August 26.6°C |
| 2010 | 1,480 | -5% | 387 mm | 171 mm | July 27.0°C |
| 2009 | 1,620 | +4% | 401 mm | 90 mm | August 27.8°C |
| 2008 | 1,350 | -13% | 576 mm | 192 mm | July 25.1°C |
| 2007 | 1,490 | -5% | 404 mm | 77 mm | August 24.9°C |
| 2006 | 1,780 | +14% | 477 mm | 226 mm | July 29.7°C |
| 2005 | 1,700 | +9% | 306 mm | 108 mm | June 27.5°C |
| 2004 | 1,570 | +0% | 431 mm | 166 mm | June 26.6°C |
| 2003 | 1,800 | +15% | 444 mm | 203 mm | August 31.3°C |
| 2002 | 1,420 | -9% | 440 mm | 156 mm | July 24.5°C |
| 2001 | 1,550 | -1% | 398 mm | 143 mm | August 27.5°C |
| 2000 | 1,530 | -2% | 552 mm | 216 mm | August 26.9°C |
| 1991–2020 | 1,560 | ±9% (1 SD) | 460 mm | 168 mm |
The closest matches on this site by normal heat and season rain. Similar weather is one ingredient; soils, slopes and grapes differ.
